Matches 1 - 50 out of 50


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US20140358000 AUTOMATED DOPPLER PULSE CYCLE SELECTION  
A device (308) is configured for examining pulsatile flow, for deriving, based on the examined flow, spectral characteristics and for, based on the derived characteristics, determining which one...
US20070197932 Non-invasive methods for evaluating retinal affecting neurodegenerative diseases  
The present invention is directed to methods for detecting and evaluating retinal affecting neurodegenerative diseases. A plurality of selected retinal parameters are measured generating an...
US20120179047 METHOD AND APPARATUS FOR AUTOMATIC OPTIMIZATION OF DOPPLER IMAGING PARAMETERS  
A method and apparatus are disclosed for automatic optimization of Doppler imaging parameters. The method includes obtaining and storing at least two characteristic spectral lines at a...
US20090177091 VELOCITY MEASURING METHOD AND VELOCITY MEASURING DEVICE USING THE SAME  
The present invention is to provide a velocity measuring method and a velocity measuring device for carrying out the method. The velocity measuring method includes: a step (S4) for expanding N...
US20110034805 METHOD AND APPARATUS FOR CHARACTERIZATION OF CLOT FORMATION  
Methods, apparatus and systems for characterizing changes in at least one physical property of soft tissue. A series of acoustic pulses is generated and directed into the soft tissue such that at...
US20100274134 METHOD FOR EVALUATION OF RENAL VASCULAR PERFUSION USING POWER DOPPLER ULTRASONOGRAPHY  
A method for evaluation of renal perfusion with power Doppler ultrasonography is disclosed in the present invention. Serial renal vascular images at different vascular areas including the whole...
US20090043208 METHODS AND DEVICES FOR ESTIMATING BLOOD FLOW CHARACTERISTICS  
Methods and devices are described for estimating blood flow characteristics through an orifice of a subject, such as regurgitant blood flow through a faulty heart valve. Acoustical techniques can...
US20060241463 Quantitative non-invasive method for detecting degree of malignancy in tumors and application thereof  
Disclosed is a method for detecting the degree of malignancy in tumors noninvasively, which comprises the steps of: using a Power Doppler ultrasound unit to scan a tumor and capture sequential...
US20070043294 Automatic detection method of spectral Doppler blood flow velocity  
A method and system for detecting spectral Doppler blood flow velocity are disclosed. The method comprises the steps of: obtaining Doppler signals of the flow by demodulating, filtering, and...
US20050049505 INTRAVENOUS INJECTION DEVICE  
An intravenous injection device for detecting the position of a vein of an examinee includes a pedestal comprising a housing, a pulse ultrasound probe installed in front of the housing, and a...
US20140194740 Emboli detection in the brain using a transcranial doppler photoacoustic device capable of vasculature and perfusion measurement  
A device, method, and system for detecting emboli in the brain is disclosed. A transcranial Doppler photoacoustic device transmits a first energy to a region of interest at an internal site of a...
US20070167793 Method and system for enhancing spectral doppler presentation  
A method and system for enhancing Doppler spectrum displays is described. Two or more colors are utilized to represent the power scale in the spectral Doppler display. Doppler signals from...
US20050251041 Doppler ultrasound processing system and method for concurrent acquisition of ultrasound signals at multiple carrier frequencies, embolus characterization system and method, and ultrasound transducer  
A Doppler ultrasound signal processing system for processing reflected ultrasound signals detected by an ultrasound transducer for multiple carrier frequencies concurrently. Additionally, an...
US20090018449 Ultrasonic Method and Apparatus for Measuring or Detecting Flow Behavior of a Non-Sinusoidal Periodicity  
A method and apparatus for automated detection of a general, non-sinusoidal type of periodicity in ultrasound Doppler signals from pulsatile blood flow is described. The method computes a...
US20130018268 Scanning Speed Detection for Freehand High Frequency Ultrasound Transducers  
Scanning speed detection for freehand high frequency ultrasound transducers using a multiple element moving array transducer using a pair of elements as a Doppler scanning speed detector. Various...
US20070167791 Doppler velocity detection device and ultrasonographic device using the same  
The present invention realizes a Doppler velocity detecting technique capable of performing velocity detection and analysis with a suppressed error while excellently distinguishing a clutter...
US20050033177 Needle insertion systems and methods  
Embodiments of a needle insertion system and method are disclosed. One method embodiment includes transmitting a sound beam along an axis to contact a blood vessel; receiving the reflected sound...
US20080139941 Method for assessment of color processing mechanism in the human brain for diagnosis and treatment  
The present invention is a method for assessment of color processing mechanism in the human brain using cerebral blood flow velocity monitoring, specifically transcranial Doppler ultrasound. The...
US20120265076 MICROFABRICATED CARDIAC SENSOR WITH TACTILE FEEDBACK AND METHOD AND APPARATUS FOR CALIBRATING THE SAME USING A PLURALITY OF SIGNALS  
The cross-correlation of corresponding signals facilitates the development of sensor nanotechnologies including a catheter for performing ablation of cardiac arrhythmias and a biocompatible...
US20090182236 Noise Reduction And Aliasing Compensation In A Doppler Mode Image  
The present invention relates to an ultrasound system and a method of forming a Doppler mode image. The ultrasound system comprises a transmission/reception unit operable to transmit/receive...
US20070239015 ULTRASONIC DIAGNOSTIC APPARATUS AND ULTRASONIC DIAGNOSTIC METHOD  
An ultrasonic diagnostic apparatus has a scanning executing unit, a Doppler signal obtaining unit, a storage unit, a removing unit, a blood flow information obtaining unit, and a B-mode image...
US20080051661 ULTRASONIC DIAGNOSTIC APPARATUS AND ULTRASONIC DIAGNOSTIC METHOD  
An ultrasonic diagnostic apparatus includes a Doppler velocity information acquiring unit, a region-of-interest-setting unit and an instantaneous flow calculating unit. The Doppler velocity...
US20150045633 SYSTEMS AND METHODS FOR MONITORING AND ANALYZING CARDIOVASCULAR STATES  
A system and method for hemodynamic dysfunction detection may include at least one sensor configured to received one or more signals from a patient, a computing device in data communication with...
US20070167794 Method and system for evaluating valvular function  
A method and apparatus for enhancing evaluation of valvular function in terms of regurgitation is described. The techniques include a method and apparatus for monitoring flow across a valve and...
US20060264755 Arterial endothelial function measurement method and apparatus  
A “relaxoscope” (100) detects the degree of arterial endothelial function. Impairment of arterial endothelial function is an early event in atherosclerosis and correlates with the major risk...
US20120302889 INTEGRATED WIRELESS NON-INVASIVE PERFUSION SENSOR  
A system and associated method provide tissue perfusion monitoring in a patient. A laser Doppler unit is provided including a coherent laser light source and a photodetector. A processor is...
US20060241462 METHOD OF INTRACRANIAL ULTRASOUND IMAGING AND RELATED SYSTEM  
A method of intracranial ultrasound imaging applied in detecting a cranial blood vessel having blood filled with micro-bubbles formed by an injected contrast agent and generating blood vessel...
US20070167795 IMAGE PROCESSING SYSTEM AND METHOD FOR CONTROLLING GAINS FOR COLOR FLOW IMAGES  
There is provided an image processing system, which includes: an image forming unit for forming a number of color flow images based on input image signals; a reference image selecting unit for...
US20080312534 System and method for power management in a telemetric monitoring system  
An implantable, multichannel pulsed-Doppler biotelemetry system is described that uses novel power management techniques to minimize power consumption to very low levels, thus, making such system...
US20050222506 Ultrasound diagnostic apparatus  
An ultrasound diagnostic apparatus comprises an ultrasound probe having a plurality of piezoelectric transducers to transmit ultrasound waves to a subject and to receive echoes from the subject, a...
US20080306386 ULTRASONIC DIAGNOSTIC APPARATUS AND METHOD OF MEASURING VELOCITY WITH ULTRASONIC WAVES  
A multiple ultrasonic beam is transmitted from an ultrasonic probe, and a velocity of blood flow, azimuth and elevation angle of a sample such as a blood flow are acquired by a three-dimensional...
US20080015439 Method and Apparatus for Measuring and/or Detecting Flow Behavior of a Body Fluid Using Ultrasound  
An ultrasound method and apparatus for detecting and/or measuring the pulse and/or blood flow of a subject calculates a Doppler signal spectrum from an ultrasound signal backscattered from the...
US20070167792 Ultrasonic flowmeter capable of applying both pulse doppler method and transit time method, method and program for automatically selecting measurement method in flowmeter, and electronic device for flowmeter  
The reliability of a reception wave from a transducer is checked and when the reliability is determined to be insufficient, a method different from the current method is selected. The reliability...
US20100130866 Method for determining flow and flow volume through a vessel  
A method for measuring and displaying flow and flow volume in the vessel of a subject. The method includes acquiring ultrasound data from a subject and producing a color Doppler m-mode image...
US20090062654 METHOD AND APPARATUS FOR AUTOMATIC OPTIMIZATION OF DOPPLER IMAGING PARAMETERS  
A method and apparatus are disclosed for automatic optimization of Doppler imaging parameters. The method includes obtaining and storing at least two characteristic spectral lines at a...
US20080119736 HEART RATE DEMODULATION OF PERIODIC MOVEMENT IN ULTRASOUND DATA FOR OBJECT IDENTIFICATION  
A system and method for enhancing and displaying a target object, that generally comprises: a processor that demodulates the rate of movement of the target object to produce a demodulated signal;...
US20070112270 Ultrasonic imaging apparatus  
An ultrasonic imaging apparatus according to the present invention includes an ultrasonic probe (2) for receiving and transmitting ultrasonic waves from/to an object (1), ultrasound image...
US20080242997 METHOD AND APPARATUS FOR CLASSIFYING GASEOUS AND NON-GASEOUS OBJECTS  
Ultrasonic pulse echo object classification is described. A broadband ultrasound transducer transmits a broadband ultrasound pulse towards the object and detecting an associated ultra sound echo...
US20070239014 BLOOD FLOW IMAGING  
Blood-flow image display equipment for displaying a CFM image that is not affected by a motion of a tissue in an object area during capturing of images or is affected in a reduced manner. The...
US20150141832 Apparatus for ultrasound flow vector imaging and methods thereof  
Apparatus and methods of use are provided for complex flow imaging and analysis that is non-invasive, accurate, and time-resolved. It is particularly useful in imaging of vascular flow with...
US20070167796 Ultrasonic image diagnostic apparatus  
An image processor includes a signal processing circuit for performing signal processing on three-dimensional echo signals transmitted from an ultrasonic 3D probe, a memory for storing at least...
US20050203405 Ultrasonic imaging method and apparatus  
Ultrasonic imaging method and apparatus capable of expressing differences of tissues more clearly by focusing attention on the relationship between characteristics of an object and frequency...
US20100262009 Method and apparatus for enhancing the detecting and tracking of moving objects using ultrasound  
An ultrasonic pulse echo apparatus detects an object that is moving with respect to stationary objects. An ultrasonic transducer transmits a series of ultrasound pulses in a direction that...
US20170143311 SYSTEMS AND METHODS FOR PULSED WAVE PREDICTIVE PROCESSING  
A system includes an ultrasound transducer, a processing circuit, and a display. The ultrasound transducer is configured to detect ultrasound information from a patient and output the ultrasound...
US20170086793 ULTRASOUND DIAGNOSIS APPARATUS AND IMAGE PROCESSING APPARATUS  
An ultrasound diagnosis apparatus includes filter coefficient acquiring circuitry configured to, based on a result of a principal component analysis using first data strings that are sets of data...
US20170071577 Sparkle artifact detection in Ultrasound color flow  
Sparkle in color flow imaging is detected. Color flow data is estimated with different pulse repetition frequency (PRF). By correlating the color flow data estimated with different PRFs, sparkle...
US20170007135 BLOOD VESSEL INDEX VALUE CALCULATION APPARATUS, BLOOD VESSEL INDEX VALUE CALCULATION METHOD, AND BLOOD VESSEL INDEX VALUE CALCULATION PROGRAM  
Provided is a frequency transfer characteristic blood vessel index value calculation apparatus including a pulse wave acquisition unit that acquires first pulse wave data of a pulse wave at a...
US20160030001 Helmet Apparatus and System with Carotid Collar Means On-Boarded  
Apparatus for helmeting with carotid collars works in conjunction with a transcranial Doppler, phased array photoacoustic device to transmit a first energy to a region of interest at an internal...
US20160007951 VELOCITY ESTIMATION FOR VECTOR FLOW IMAGING (VFI) IN ULTRASOUND  
An ultrasound imaging system includes a transducer array, with an array of transducer elements that transmits an ultrasound signal and receives a set of echoes generated in response to the...
US20150320395 ULTRASONIC DIAGNOSTIC APPARATUS, IMAGE PROCESSING APPARATUS, AND IMAGE PROCESSING METHOD  
An ultrasonic diagnostic apparatus according to one embodiment includes correlation matrix calculating circuitry, calculating circuitry, image generating circuitry, and controlling circuitry. The...

Matches 1 - 50 out of 50